spi: intel: Move suspend and resume hooks to pm_ops
spi: intel: Move suspend and resume hooks to pm_ops

The suspend and resume hooks in the spi_driver_api struct are relics
from before the current power management infrastructure was in place.
The correct way to implement this now is through the device_pm_ops
struct, by way of the DEFINE_DEVICE_PM_OPS and DEVICE_AND_API_INIT_PM
macros, which make the hooks available through a generic mechanism for
all devices, rather than using per-type APIs.

Since the existing spi_suspend() and spi_resume() functions don't check
if the driver_api hooks are NULL, there's now a place holder function
to prevent breaking functionality until the hooks are removed.

Change-Id: I48287c58e9a8649d3e1be7547e3d0d293c84327a
Signed-off-by: Iván Briano <e5bb0ea9e2726000eec3a04030e22edb132ff9c8@intel.com>

zephyrproject-rtos/zephyr,erwango/zephyr,finikorg/zephyr,pklazy/zephyr,sharronliu/zephyr,zephyriot/zephyr,rsalveti/zephyr,punitvara/zephyr,erwango/zephyr,bigdinotech/zephyr,nashif/zephyr,punitvara/zephyr,ldts/zephyr,fractalclone/zephyr-riscv,holtmann/zephyr,zephyrproject-rtos/zephyr,mirzak/zephyr-os,mbolivar/zephyr,pklazy/zephyr,explora26/zephyr,tidyjiang8/zephyr-doc,finikorg/zephyr,tidyjiang8/zephyr-doc,rsalveti/zephyr,runchip/zephyr-cc3200,kraj/zephyr,mirzak/zephyr-os,galak/zephyr,mbolivar/zephyr,Vudentz/zephyr,ldts/zephyr,kraj/zephyr,mbolivar/zephyr,aceofall/zephyr-iotos,GiulianoFranchetto/zephyr,runchip/zephyr-cc3220,Vudentz/zephyr,sharronliu/zephyr,fbsder/zephyr,galak/zephyr,kraj/zephyr,zephyriot/zephyr,ldts/zephyr,nashif/zephyr,runchip/zephyr-cc3200,fbsder/zephyr,GiulianoFranchetto/zephyr,explora26/zephyr,mirzak/zephyr-os,bigdinotech/zephyr,aceofall/zephyr-iotos,runchip/zephyr-cc3220,ldts/zephyr,explora26/zephyr,zephyriot/zephyr,GiulianoFranchetto/zephyr,fractalclone/zephyr-riscv,sharronliu/zephyr,explora26/zephyr,finikorg/zephyr,holtmann/zephyr,galak/zephyr,pklazy/zephyr,pklazy/zephyr,mbolivar/zephyr,mirzak/zephyr-os,fbsder/zephyr,bboozzoo/zephyr,nashif/zephyr,Vudentz/zephyr,aceofall/zephyr-iotos,aceofall/zephyr-iotos,fbsder/zephyr,galak/zephyr,finikorg/zephyr,nashif/zephyr,runchip/zephyr-cc3200,tidyjiang8/zephyr-doc,holtmann/zephyr,zephyriot/zephyr,GiulianoFranchetto/zephyr,tidyjiang8/zephyr-doc,tidyjiang8/zephyr-doc,rsalveti/zephyr,bboozzoo/zephyr,runchip/zephyr-cc3200,aceofall/zephyr-iotos,pklazy/zephyr,zephyriot/zephyr,bboozzoo/zephyr,bigdinotech/zephyr,Vudentz/zephyr,finikorg/zephyr,bboozzoo/zephyr,zephyrproject-rtos/zephyr,holtmann/zephyr,zephyrproject-rtos/zephyr,punitvara/zephyr,sharronliu/zephyr,galak/zephyr,punitvara/zephyr,bigdinotech/zephyr,rsalveti/zephyr,nashif/zephyr,erwango/zephyr,Vudentz/zephyr,bboozzoo/zephyr,rsalveti/zephyr,holtmann/zephyr,mbolivar/zephyr,fbsder/zephyr,runchip/zephyr-cc3220,erwango/zephyr,explora26/zephyr,fractalclone/zephyr-riscv,mirzak/zephyr-os,erwango/zephyr,ldts/zephyr,kraj/zephyr,GiulianoFranchetto/zephyr,Vudentz/zephyr,zephyrproject-rtos/zephyr,punitvara/zephyr,runchip/zephyr-cc3220,bigdinotech/zephyr,kraj/zephyr,fractalclone/zephyr-riscv,runchip/zephyr-cc3220,sharronliu/zephyr,fractalclone/zephyr-riscv,runchip/zephyr-cc3200